We're going to solve 8311 multiplied by 8109
8311 × 8109 = 8109 × (8311)
+ 8109 × 1 that is equal 8109
+ 8109 × 10 giving us 81090
+ 8109 × 300 giving us 2432700
+ 8109 × 8000 that is equal 64872000

= 67393899
